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Finding the Fourth Proportional to 703,697.88, 1,055,547.54 and 171,218.88

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Solution

The fourth proportional to 703,697.88, 1,055,547.54 and 171,218.88 is: 256,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,697.88 : 1,055,547.54 = 171,218.88 : x
  2. Step 2: Convert to fraction form
    703,697.88/1,055,547.54 = 171,218.88/x
  3. Step 3: Cross multiply
    703,697.88x = 1,055,547.54 × 171,218.88
  4. Step 4: Simplify right side
    703,697.88x = 180,729,667,585.56
  5. Step 5: Solve for x
    x = 180,729,667,585.56/703,697.88
  6. Step 6: Final answer
    x = 256,828.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.